MD
Mary Delaney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Olmsted, Minnesota
Our Model Tree links this Mary Delaney across the 1920 and 1930 US Censuses in Olmsted, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 11-person household.
Age 16
b. ~1914
Female
Daughter
Born: Minnesota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Olmsted, Minnesota |
| Surname | Delaney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Cascade Township |
| Est. Birth Year | ~1914 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Patrick Delaney | Son | — | 28 | ~1902 |
| Jim Delaney | Son | — | 23 | ~1907 |
| Lucille Delaney | Daughter | — | 10 | ~1920 |
| John Delaney | Head | — | 56 | ~1874 |
| Mary Delaney | Daughter | — | 16 | ~1914 |
| Eleanor Delaney | Daughter | — | 6 | ~1924 |
| Walter Delaney | Son | — | 21 | ~1909 |
| Leo Delaney | Son | — | 18 | ~1912 |
| Julia Delaney | Other | — | 50 | ~1880 |
| Anna Delaney | Daughter | — | 14 | ~1916 |
| Gertrude Delaney | Daughter | — | 12 | ~1918 |
Census Appearances
1920
Olmsted, Minnesota
Daughter, age 6
Olmsted, Minnesota · implied b. ~1914 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Delaney |
| Given Name | Mary W. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Olmsted, Minnesota
Daughter, age 16
Olmsted, Minnesota · implied b. ~1914 — 11 household members
| Surname | Delaney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Delaney across 2 US Census years (1920 and 1930) in Olmsted, Minnesota, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Delaney
Daughter · 1930 · age 16 · b. ~1914 · Minnesota
★ You are viewing this record
Sibling
Lucille Delaney
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jim Delaney
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leo Delaney
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Delaney
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Delaney
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Delaney
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Delaney
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Delaney
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Olmsted, Minnesota
Open full size
1930 US Federal Census — Olmsted, Minnesota
Page Contents
50 people indexed on this census page (ia:1930:minnesotacensus00reel1110:0024)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Vera M | 23 | Daughter | — | Missouri |
| 52 | Harold A | 14 | Son | — | Minnesota |
| 53 | Arthur G | 14 | Son | — | Minnesota |
| 54 | Hans Larsen | 43 | O | Farmer | Minnesota |
| 55 | Claretta C Larsen | 45 | Wife-H | — | South Dakota |
| 56 | Robert H Larsen | 14 | Son | — | Minnesota |
| 57 | Lawrence J Larsen | 10 | Son | — | Minnesota |
| 58 | Ruth E Larsen | 8 | Daughter | — | Minnesota |
| 59 | Mette K Larsen | 73 | Mother | — | Denmark |
| 60 | Frank J Jr Berndt | 34 | Head | Mason | Minnesota |
| 61 | Matilda E Berndt | 28 | Wife-H | — | Minnesota |
| 62 | Frank O Berndt | 4 | Son | — | Illinois |
| 63 | Angelina M Berndt | 2 | Daughter | — | Illinois |
| 64 | Ruth E Berndt | 0 | Daughter | — | Minnesota |
| 65 | Seth P Morse | 30 | Head | Contractor | Minnesota |
| 66 | Clara H Morse | 34 | Wife-H | — | Minnesota |
| 67 | George H Morse | 8 | Son | — | Minnesota |
| 68 | Helen M Morse | 4 | Daughter | — | Minnesota |
| 69 | Henry Waltman | 42 | Helper | Laborer | Minnesota |
| 70 | John P Delaney | 56 | Head | Farmer | Minnesota |
| 71 | Julia S Delaney | 50 | Wife-H | — | Minnesota |
| 72 | Patrick Delaney | 28 | Son | Laborer | Minnesota |
| 73 | Jim Delaney | 23 | Son | Laborer | Minnesota |
| 74 | Walter Delaney | 21 | Son | Farm Laborer | Minnesota |
| 75 | Leo Delaney | 18 | Son | Farm Laborer | Minnesota |
| 76 | Mary Delaney THIS PERSON | 16 | Daughter | — | Minnesota |
| 77 | Anna Delaney | 14 | Daughter | — | Minnesota |
| 78 | Gertrude Delaney | 12 | Daughter | — | Minnesota |
| 79 | Lucille Delaney | 10 | Daughter | — | Minnesota |
| 80 | Eleanor Delaney | 6 | Daughter | — | Minnesota |
| 81 | Matilda F Plaividence | 72 | Head | — | New York |
| 82 | John R Berndt | 26 | Head | Farmer | Minnesota |
| 83 | Fern D Berndt | 23 | Wife-H | — | Iowa |
| 84 | John R Jr Berndt | 4 | Son | — | Illinois |
| 85 | Milo F Berndt | 3 | Son | — | Minnesota |
| 86 | Ralph C Berndt | 1 | Son | — | Minnesota |
| 87 | Aloisius Braun | 50 | Head | Farmer | Luxemburg |
| 88 | Elizabeth A Braun | 39 | Wife-H | — | Luxemburg |
| 89 | Louise F Braun | 16 | Daughter | — | Minnesota |
| 90 | Aloisius J Braun | 14 | Son | — | Minnesota |
| 91 | Mary A Braun | 12 | Daughter | — | Minnesota |
| 92 | Elizabeth A Braun | 10 | Daughter | — | Minnesota |
| 93 | Katherine D Braun | 7 | Daughter | — | Minnesota |
| 94 | Nicholas A Braun | 4 | Son | — | Minnesota |
| 95 | Margaret L Braun | 2 | Daughter | — | Minnesota |
| 96 | John C Braun | 0 | Son | — | Minnesota |
| 97 | Herman P Reiter | 45 | Head | Farmer | Minnesota |
| 98 | Minnie M Reiter | 36 | Wife-H | — | Minnesota |
| 99 | Margaret A Reiter | 16 | Daughter | — | Minnesota |
| 100 | Florence L Reiter | 13 | Daughter | — | Minnesota |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)